Let's be clear on a few things here. If you study the Islamic religion then you will note that their "prophet" used his status to wage many unjust wars, rapes, killings, etc. Therefore, when it comes to Christianity vs. Islam, they were both victims to each other.

In regards to the rest of your comment, the Church during that period was incredibly corrupt by political figures. These figures simply used and skewed the interpretation of uneducated followers to do their dirty work. By dirty work I really mean taking complete control by using religion as a complete excuse.

However, if you look at any organization then you will see that there are always particular members who abuse it and use it for malicious intent. Just look what science did in Nazi Germany. It lead to the horrible experimental testing of 1000's. Is this the purpose of Science - no. Although it is the purpose of those who mean to do wrong.

Go for the food and fabrik stuff, no one wants them now but when the cooking and the tailoring starts, they will be like gold! Also, the Loom and Stove will be worth very much more. AND when you see a big item: grab it if you can!